GRAF Wastewater advisor

Find your wastewater solution

Do you need a completely new wastewater treatment system or is there a three-chamber trench which is suitable for conversion?

Please activate JavaScript to use all of our websites functions like product advisors or bookmarks.

residential building

permanent industry

temporary industry

holiday home

Do you need a wastewater treatment system for one or more homes (domestic wastewater) or another type of usage?

Drain class

Extra option

The drain class of the system is specified by the approving authority. Enhanced drain classes such as +P or +H are usually only required where there are sensitive discharging systems or in water protection areas.

Person

Car

Truck

Will the system be installed in a green area with only pedestrian loading or in an area with vehicle loading?

Outside cabinet

Technical room

The system's control unit and compressor are installed in a switch cabinet. This cabinet can be housed in a room inside a building or an outdoor switch cabinet can be used.

The water consumption for holiday homes might be higher than normal. Please check your water bill to be sure to dimension the right system.

Region

Inhabitants

Liter/day

How many inhabitants will be connected to the system? Each residential unit over 60m² is assumed to represent at least 4 inhabitants.We calculate with a 250 L minimum Septic tank volume per person / day and a max. daily flow of 150 L/person/day.

We use cookies for the purpose of enhancing the contents and for your convenience in using the Web Site. By entering this site, you acknowledge and agree that we are using cookies. For more information on this, please refer to the data protection notice section.